Dexcom G7 vs Libre by Abbott
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dexcom G7
This app provides real-time glucose monitoring for diabetes management. It offers customizable alerts for high or low glucose levels and allows sharing data with loved ones and healthcare teams. Integrates with smartwatches and other health apps for comprehensive insights.
- Real-time glucose monitoring
- Customizable high/low glucose alerts
- Data sharing with followers
- Integration with healthcare teams
- Apple Watch connectivity
- Digital health app integrations
- Fasting glucose logging
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Know your glucose number and where it’s heading with the Dexcom G7 Continuous Glucose Monitoring (CGM) System. Only use this app if you have the Dexcom G7 CGM System.* Before you start making treatment decisions with Dexcom G7, work with your healthcare professional to learn how. The Dexcom G7 Continuous Glucose Monitoring (CGM) System supports more empowered and integrated diabetes management. Its low-profile, wearable sensor provides real-time glucose data to a user’s compatible display device, no fingersticks required.† Dexcom G7 also offers customizable alerts that can help warn of high or low glucose levels, as well as remote monitoring and reporting options that help keep users connected to their loved ones and care teams anytime, anywhere. *To view a list of compatible devices, visit dexcom.com/compatibility. †If your glucose alerts and readings from Dexcom G7 do not match symptoms or expectations, use a blood glucose meter to make diabetes treatment decisions. In addition to the accurate performance provided by the Dexcom Sensor, you’ll receive other valuable features: • Share your glucose data with up to 10 followers who can monitor your glucose data and trends on their compatible smart device with the Dexcom Follow app. Share and Follow functions require an internet connection • Clarity Clinic is now integrated into the G7 connections tab, making it easy to share data with your Clarity healthcare team • Now you can log your estimated fasting glucose in the Dexcom G7 app. Regularly tracking your fasting glucose allows you and your healthcare team to identify trends in your glucose levels • Connect G7 Sensor directly to your Apple Watch, giving you the freedom and convenience of real-time glucose readings on your wrist even when you’re not near your phone** • Digital Health app integrations allow you to share your glucose data with third-party health apps and lifestyle devices • Now you can see your health and activity data from connected apps and devices on your G7 trend graph • Add a shortcut so you can ask Siri to read your current glucose value, using a custom phrase • Dexcom Clarity summary insights are integrated into the G7 app, so that you can see both real-time and retrospective glucose insights from the same app Apple Watch: • View your glucose information, trend graph, and alerts right from your wrist with the Dexcom G7 Apple Watch app. Watches require compatible smart device to use app. G7 app features and partner integrations may differ by region. Refer to your user guide for more information. **Compatible smartphone is required to pair a new Dexcom G7 sensor with a compatible Apple Watch. Dexcom G7 users must continuously have their smartphone within 20 feet / 6 meters to utilize the Share/Follow features. Apple Watch is not capable of Share/Follow.
Libre by Abbott
This app provides continuous glucose monitoring for individuals with diabetes. It automatically updates glucose readings to your phone every minute and offers insights into trends and settings. Compatible with specific FreeStyle Libre sensors, it aids in managing diabetes by tracking glucose levels.
- Continuous glucose monitoring
- Automatic readings every minute
- Glucose trend insights
- Compatibility with FreeStyle Libre 2 and 3
- Generative AI for food impact analysis
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Libre app[α] is a continuous glucose-monitoring (CGM) app that helps people living with diabetes track their glucose. Why Libre app: • Readings automatically update every minute on your device[α] • Insights a tap away – helps you see your trends and patterns to better understand your diabetes • Real-time alerts[λ] gradually increase in volume – you can choose to silence[θ] them for a period of time • Share[*] readings with your doctor or loved ones through LibreView[±] and LibreLinkUp[**] COMPATIBILITY Compatibility may vary between operating systems. Please check our website for more information about device compatibility. Consult a healthcare provider (HCP) to determine if this product is right for you or if you have questions about using it for treatment decisions. α. The FreeStyle Libre systems apps are only compatible with certain devices and operating systems, and may require registration with LibreView. Check our website for device compatibility before use. β. The Libre app is compatible with all FreeStyle Libre systems sensors except the preceding FreeStyle Libre 14-day sensors. δ. The Libre app for smartwatches is only compatible with certain devices and operating systems. Please check our website for more information about device compatibility before using the app. Use of the Libre app may require registration with LibreView. The Libre app for smartwatches should not be used to make treatment decisions. Please follow the Libre app instructions on your smartphone. ε. Glucose data and alerts appear on your smartwatch only when your phone is within sensor range. Alerts are mirrored from the Libre app, and your phone must have notifications enabled. θ. Silent mode lets users silence signal loss and alarms for a period of time as indicated in the user manual. During this time, alarms will not sound even with Override Do Not Disturb enabled, though visual and vibration alerts may still appear based on phone settings. λ. Notifications will only be received when alarms settings are enabled, turned on and sensor is within a certain range unobstructed of the reading device. Refer to user manual. *. The user’s device must have internet connectivity for glucose data to automatically upload to LibreView and transfer to connected LibreLinkUp app users. ±. LibreView is intended for assisting people with diabetes and HCPs to review and analyze historical glucose data to support diabetes management. It is not intended for treatment decisions or as a substitute for professional medical advice. **. LibreLinkUp works only with compatible devices and operating systems and requires LibreView registration. Check librelinkup.com for device compatibility details. Product for prescription only, for Important Safety Information please visit FreeStyleLibre.us The sensor housing, FreeStyle, Libre, and related brand marks are marks of Abbott. Other trademarks are the property of their respective owners. If you’re experiencing any issues, contact Customer Service directly.
Screenshots
Verdict
The clearest difference is rating: Libre by Abbott at 4.6 against Dexcom G7's 3.1. Libre by Abbott also leads on review sentiment (40% vs 16%) and ratings volume (209K vs 8.6K). Dexcom G7's advantage is update cadence (every 6 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Libre by Abbott holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: Libre by Abbott has 209K ratings behind it against 8.6K, so its average is the more settled of the two. Written reviews point the same way: 16% of Dexcom G7's written reviews are positive against 40% of Libre by Abbott's.
Dexcom G7 ships an update every 6 weeks, Libre by Abbott every 4 months. Both last shipped on October 16, 2026.
| Parameter | Dexcom G7 | Libre by Abbott |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (8.6K ratings) | 4.6 (209K ratings) — better |
| Positive reviews | 15.6% of reviews | 39.8% of reviews — better |
| Number of ratings | 8.6K | 209K — better |
| Update frequency | Every 6 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #22 — better | #30 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 599 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | DexCom, Inc. | Abbott Labs |
Customer experience
Dexcom G7
Libre by Abbott
User reviews
Dexcom G7
From 8.6K App Store ratingsWhat we love
- 🚀 Quick sensor warmup time
- 🌟 Smaller and more comfortable sensor
- 🔍 Accurate glucose readings
- 📊 Clarity integration in the app
- 🕰️ 12-hour grace period before sensor expiration
Room to improve
- 🔌 Frequent signal loss and connection issues
- 🔔 Obnoxious and disruptive alert sounds
- 🧭 Lack of customization for alert settings
- 🔍 Inconsistent and inaccurate readings at times
- 🧠 Confusing and unintuitive app interface
Libre by Abbott
From 209K App Store ratingsWhat we love
- 🚀 Streaming every minute
- 👍 User-friendly design
- ⭐️ Five-star rating
Room to improve
- 🔧 Needs more customization
- 🔍 Lack of detailed view
- 🔌 Unreliable connection
- 🔊 Persistent alarms
Bugs and requests
Dexcom G7
Reported bugs
5 issues- App freezes when accessing the Connections tab
- Calibration process often gets stuck or fails
- Sensor failure and disconnection issues
- Inconsistent behavior with low power mode and screen time
- Location-based restrictions preventing app setup
Requested features
5 requests- Add a widget for quick glucose level access
- Improve Apple Watch integration and functionality
- Allow customization of target glucose ranges
- Provide more detailed historical data and reporting
- Implement a dark mode for better visibility
Libre by Abbott
Reported bugs
2 issues- Cannot connect to active sensor
- No historical data transfer
Requested features
9 requests- Apple Health connectivity
- Widget support
- Dual sensor connections
- Customizable alert profiles
- Delayed high alerts
Show 4 moreShow fewer
- Sensor calibration
- Apple Watch integration
- Glucose home screen updates
- Trend line zoom
In-app purchases
Dexcom G7
No in-app purchases
Libre by Abbott
No in-app purchases
Questions
Is Dexcom G7 free?
Is Libre by Abbott free?
Which has better reviews, Dexcom G7 or Libre by Abbott?
Do Dexcom G7 or Libre by Abbott have ads?
Which is updated more often, Dexcom G7 or Libre by Abbott?
Which is more popular, Dexcom G7 or Libre by Abbott?
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